42706394761055 has 4 divisors (see below), whose sum is σ = 51247673713272. Its totient is φ = 34165115808840.

The previous prime is 42706394761013. The next prime is 42706394761109. The reversal of 42706394761055 is 55016749360724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42706394761055 - 2¹² = 42706394756959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42706394760985 and 42706394761003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270639476101 + ... + 4270639476110.

It is an arithmetic number, because the mean of its divisors is an integer number (12811918428318).

Almost surely, 2^{42706394761055} is an apocalyptic number.

42706394761055 is a deficient number, since it is larger than the sum of its proper divisors (8541278952217).

42706394761055 is an equidigital number, since it uses as much as digits as its factorization.

42706394761055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541278952216.

The product of its (nonzero) digits is 38102400, while the sum is 59.

The spelling of 42706394761055 in words is "forty-two trillion, seven hundred six billion, three hundred ninety-four million, seven hundred sixty-one thousand, fifty-five".